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23 lines
722 B
23 lines
722 B
import {
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hasOwn
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} from 'uni-shared'
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export function generateId (vm, parent, version) {
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if (!vm.$parent) {
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return '-1'
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}
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const vnode = vm.$vnode
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const context = vnode.context
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let id = vnode.data.attrs._i
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if (version && hasOwn(vnode.data, 'key')) { // 补充 key 值
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id = id + ';' + vnode.data.key
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}
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// slot 内的组件，需要补充 context 的 id，否则可能与内部组件索引值一致，导致 id 冲突
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if (context && context !== parent && context._$id) {
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if (process.env.NODE_ENV !== 'production') {
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console.log('generateId:' + context._$id + ';' + parent._$id + ',' + id)
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}
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return context._$id + ';' + parent._$id + ',' + id
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}
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return parent._$id + ',' + id
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}
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